Shoe-dipping machine.



PATBNTED APR. 10, 1906.

J. H. WALL.

SHOE DIPPING MACHINE.

APPLICATION FILED NOV. 7v 1905.

INVENI'UE UNITED STATES PATENT OFFICE.

JUHN H. WALL, OF BRISTOL, RHODE ISLAND.

SHOE-DIPF'IING MAGHINE.

are. 817,408,

Specification of Letters Patent.

Patented April 10, 1908.

Application filed November '7, 1905. Serial No. 286,190.

- provement in a machine used in the process of manufacturing rubber shoes, and more particularly to an improvement in a machine adapted to dip or varnish rubber shoes.

In the process of manufacturing rubber shoes the varnishing of the shoes has heretofore been done by hand. This method of varnishing the shoes is necessarily slow and adds materially to the cost of the shoes.

The object of my invention is to reduce the cost of manufacturin rubber shoes, and I aecomplish this object by rovidin a machine adapted to dip or varnish a plurality of shoes in one operation of the machine.

A further object of my invention is to simplify the construction of a rubber-shoe dip ping or varnishing machine, whereby a plu-e rali'ty of shoes are quickly inserted in the ma chine, dipped or varnished in one operation of the machine, and removed from the machine by the operator in less time than has heretofore been done.

My invention consists in the peculiar and novel construction of ashoe-dipping machine adapted to varnish a lurality of rubber shoes in one operation of tie machine, with details of construction, as will be more fully set forth hereinafter.

Figure ,1 is a vertical front view of my iniroved rubbershoe-dipping machine, showmg the machine in the normal position with a plurality of shoes in the machine ready to be dipped or varnished in one o eration of the machine. Fig. 2 is a vertica sectional view taken on line X X of Fig. 1, showing the machine in its normal position in full lines and in the position it would assume in dipping or varnishing the shoes in broken lines. Fig. 3 is a transverse sectional view taken on line .Y Y of Fig. 1 through the shoe holding and rotating mechanism; and Fig. 4. is an enlarged detail end view of one end of the holding and rotating mechanism, showing the same in its normal position.

In the drawin s, (1 indicates the frame of the machine; 5, t e varnish tank; c, the vertical slide; d, the lowering and elevating lever; e, the rotating mechanism; f, the rotatlever d is secured to the ing crank; g, the peg-bar; h h, a plurality of shoe-lasts on the pe bar, and i t a plurality of rubber shoes on t e lasts.

The frame a consists of a base 0., adapted to support the varnish-tank b, the vertical end supports a 0. each having the vertical ways a a for the slide 0, and the vertical transverse slots a a, through which the shafts of the rotating mechanism e extend, as shown in broken lines in Fig. 1 and in full lines in Fig. 3, and the top bar a, connecting the upper ends of the end supports a a as shown in Fig. 1.

The slide 0 consists of the vertical end bars 0 c, adaptedto have a vertical reciprocating movement in the ways a a in the end suports a a and the connecting truss-frame c aving the bottom bar 0 and the top bar 0 as shown in Fig. 1. The lowering and elevating lever 62 is pivotally secured adjacent its center to the lower bar 0 as shown in Fig. 2. Two pulleys c c are secured centrally to the bar a of the frame a, and a cord 0 is secured at one end to the top bar a of the slide 0. This cord a extends upward over the pulleys c c and then downward on the back of the machine to the wei ht 0 The rear end of the cord 0", as shown in Fig. 2. The pull of the weights on the cord 0 counterbalances the slide a.

The rotating mechanism e consists of the bearings e e, supporting the rock-shafts .9 6 Each bearing is formed on the plate 12 which is secured to the lower end of a bare of the slide 0 by screws or other means, as shown in Figs. 1 and 2. A member 0 is formed on the inner end of the bearing e, and this member is shaped to have the seinicirqplar concave ortion 6 formed concentric with the hole in the bearing 6 the outwardlyextending lip e forming a guide for the pegbar g, the stop 6 and the rearwardly-extending arm a as shown in Fig. 4. The rock shafts e e are supported in the bearings e a, each roclsshaft having the enlarged semicircular inner ends 6 shaped to loosely fit in y the semicircular concave ortions e of the mem An elongate recess e having the closed end a and the open end e ad'acent the lip c, is formed in the enlarged en e for the ends of the pe -bar g, and an arm 2 eX tends rearwardly from the end e in a position to engage with the under side of the stop e with the mechanism in its normal position as shown in Fig. 4. A locking bar e extends lengthwise of the machine at the rear.

This bar is bent at each end to form the downwardly-extending arms e e which are pivotally secured at their ends to the ends of the arms e e in a position for the arms 6 e to engage with the ends of the arms e e (which form a stop for the same) and for the bar 6 to pass over the soles of the shoes 71 '5, ad acent the heels of the same with the mechamsm in its normal position, as shown in full hnes in Fig. 2. Pulleys e e are pivotally secured at each end to the topbar ,0 of the slide 0.

These cords extend upward over'the pulleys e e and then down to the wei hts 6 e the pull of the weights on the cor s holding the arms 6 e on the bar e against the end of the arm a as shown in Flgs. 2 and 4. The crank f is secured to the outer end of (preferably) the right-hand rockshaft e as shown in Fig. 1.

The peg-bar g has the series of pegs g g extending outward from the upper face of the bar in sets of tWo, one set for each shoe-last h h. These pegs enter coinciding holes in the top of the lasts, as shown in dotted lines in Flg. 2.

n the operation of my improved shoe-dipping machine the tank bis supplied with varnish or a similar 1i uid, a plurality of rubber shoes '5 i are placed on the lasts h it, and the lasts placed uniformly on a peg-bar g, on which they are heldby'the pegs g g. The bar 9, with thelasts and shoes, isnow placed in the machine in a position for the ends of the bar 9 to enter the recesses e" e" in the ends 6 e on the rock-shafts 6 e in which the bar is held, and for the soles to pass under the the lockin bar 6. The slide 0 is now lowered a pre etermined distance by depressing the lever d and the rotating mechanism 6 artly rotated by turning the crank f to the eft, thus submerging the shoes in the varnish in the tank I), as shown in broken lines in Fig. 2. As the rotating mechanism e starts to rotate the arms e e on the lockin -bar e leave the ends of the arms 6 e", an the bar e rides up under the heels of the shoes, Where it is held by the pull of the weights e e on the cords e" e", attached to the bar e, thereby locking the shoes and lasts to the peg-bar g in the operation of dipping the shoes. The peg-bar g is locked in the reverse position in the recesses e e by the wall forming the semicircular concave portion 6 in the member 6 closin the open end e of the recesses, as shown in roken lines in Fig. 2. On the reverse movement of thecrank f and an upward movement of the lever (2 the mechanism resumes its normal'position, the locking-bar e is released by the arm e and the peg-bar, with the shoes, is removed from the machine.

It is evident that the construction of the machine may be varied without materially affecting the spirit of my invention.

Cords e" e are secured to the endsof the bar a.

Having thus described my invention, I claim as new and desire to secure by Letters Patent a 1. In a shoe-dipping machine, a peg-bar for supportin a plurality of shoes, means for securing the s oes to the peg-bar, mechanism for rotatably supporting the peg-bar, and a tank adapted to hold varnish or similar liquid.

2. In a shoe-dipping machine, asupport for a peg-bar, a peg-bar carrying a plurality of shoes, means for automatically locking the shoes to the peg-bar, means carried by the support for rotating the peg-bar, and a tank adapted to hold varnish or similar liquid.

3. In. a shoe-dipping machine, a frame, a tank adapted to hold varnish or similar liq uid in the frame, a slide supported in vertical ways in the frame, means forcounterbalancing the slide, means for lowering and elevating the slide, a rotating mechanism on the slide, means in the rotating mechanism for holding a plurality of shoes, and means for partly revolving the rotating mechanism, whereby a plurality of shoes are coated with varnish or similar liquid in one operation of the machine.

4. In a shoe-dip ing machine a frame, a tank adapted to h l d varnish or a similar liquid supported in the frame, a slide supported in vertical ways in the frame, means for counterbalancin'g the slide, means for lowering and elevating the slide, a rotating mechanism on the slide, a bar, a plurality of shoelasts, a plurality of shoes on the lasts, means for holding the shoe-lasts on the bar, means in the rotating mechanism for holding the bar, and means for partly revolving the rotating mechanism, whereby a plurality of shoes are coated with varnish or similar liquid in one operation of the machine.

5. In a shoe-dipping machine, a frame having a base and vertical end su ports, a tank supported on the base and a apted to hold varnish or a similar liquid, a slide supported in vertical w ys in the end supports, means for counterbalancingthe slide, means for lowering'and elevating the slide, a rotating mechanism on the slide, a bar, a plurality of shoelasts holding a plurality of rubber shoes, means for holding the shoe-lasts on the bar, means in the rotating mechanism for holding the bar and for locking the bar in the reverse osition, means for automatically locking the asts and shoes to the bar in the reverse position, and means for partly revolving the rotating mechanism, whereby a plurality of rubber shoes are coated with varnish or a similar material in one operation of the machine. a 6. In ashoe-dipping machine, a frame a having the base a, the vertical end supports a a and the top bar a a tank I) adapted to hold varnish or similar liquid on the base a, a slide 0 supported in vertical ways in the end sup orts a a, pulleys c on the top bar a, a

cor c secured to the slide and running over the-pulleys, a weight a secured to the end of lever d and part1 the cord 0, a lever d givotally secured to the slide a and to the cor c, a rotating mechanism e on the slide 0, a crank f operatively connected with the rotating mechanism e, a bar having the pe s g g, a plurality of lasts havi n coinciding oles for the legs 9" g, a plura ity of rubber shoes on the lasts, means in the rotating mechanism e for 'holdin the bar and means for automatically loc ing the 7 lasts and shoes to the bar in the reverse position, whereby on lowerin the slide a by the revo ving the rotating mechanism e by t e crank f, a plurality of rubber shoes are coated with varnish or a similar material in one operation.

7. In a shoe-dipping machine, the combination of a frame a, a tank 1) adapted to hold varnish or a similar liquid, a slide a supported in vertical ways in the frame a, means for lowering or elevating the slide 0, a rotating mechanism e consisting of the bearings e e each formed on a plate 6 secured to the slide a and having a member e shaped to have the semicircular concave portion e the outwardlyextending lip cf, the stop e", and the rearwardly-extending arm a the rock-shafts e 6 supported in the bearings e e and each having the enlarged end 6 in which is-the elongated recess 6 having the closed end 6 1 the open end a, and an arm 6 adapted to engage with the stop e a locking-bar e .bent at each end to form the arms e e which are pivotal ly secured at their ends to the ends of thearms e 1; in a position to engage with the ends of the arms e e", pulle s e e pivotally secured to the top of the s ide c, cords e e" secured to the bar a and extending upward over the pulleys, weights 0 e secured to the ends of the cords, a crank secured to a rock-shaft e a bar 9, a plura ity of shoelasts holding a plurality of rubber shoes, and means for holding the shoe-lasts on the bar, whereby on placing the ends of the bar, g in the recesses e e in the rotating mechanism e and operating the slide 0 and the crank f a plurality of rubber shoes are coated with varnish or similar liquid in one operation of the machine.

8. In a shoe-dipping machine the combi nation of a frame a, a tank 1) adapted to hold varnish or a similar liquid, a slide 0, a lever d on the slide, a rotating mechanism e, a crank f operatively connected with the rotating mechanism e, a bar g, a plurality of shoe-lasts hit on which are a lurality of rubber shoes, means for holding t e lasts h h on the bar g, and means in the rotating mechanism e for holding the bar g, whereby a plurality of rubber shoes are coated with varnish or a similar li uidv in one operation of the machine.

11 testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

JOHN H. WALL;

\ Vitnesses:

ADA- E. HAGERTY, J. A. MILLER. 

